[OpenWrt-Devel] [PATCH 10/11] target/linux/mvebu/config-4.14: enable options needed for dm-verity

[Hauke Mehrtens]

On 3/11/19 5:20 PM, Thomas Petazzoni wrote:
> This commit updates the Linux kernel configuration used on Marvell
> platforms to support dm-verity.

How much bigger is the kernel image getting when these options are
activated?
All mvebu devices I know of have a lot of memory so it does not really
matter for this target, but I would like to know.

Hmm, would it make more sense to have a feature flag like this:
FEATURES:=dm-verify for these targets and only allow dm-verify support
if this is set.

Hauke

> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
> ---
>  target/linux/mvebu/config-4.14 | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/target/linux/mvebu/config-4.14 b/target/linux/mvebu/config-4.14
> index 296da5a109..e904725e23 100644
> --- a/target/linux/mvebu/config-4.14
> +++ b/target/linux/mvebu/config-4.14
> @@ -65,7 +65,10 @@ CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH=y
>  CONFIG_ATA=y
>  CONFIG_ATAGS=y
>  CONFIG_AUTO_ZRELADDR=y
> +CONFIG_BLK_DEV_DM=y
> +CONFIG_BLK_DEV_DM_BUILTIN=y
>  CONFIG_BLK_DEV_LOOP=y
> +# CONFIG_BLK_DEV_MD is not set
>  CONFIG_BLK_DEV_SD=y
>  CONFIG_BLK_MQ_PCI=y
>  CONFIG_BLK_SCSI_REQUEST=y
> @@ -166,6 +169,13 @@ CONFIG_DMADEVICES=y
>  CONFIG_DMA_ENGINE=y
>  CONFIG_DMA_ENGINE_RAID=y
>  CONFIG_DMA_OF=y
> +CONFIG_DM_BUFIO=y
> +# CONFIG_DM_CRYPT is not set
> +# CONFIG_DM_DEBUG_BLOCK_MANAGER_LOCKING is not set
> +# CONFIG_DM_MIRROR is not set
> +# CONFIG_DM_SNAPSHOT is not set
> +CONFIG_DM_VERITY=y
> +# CONFIG_DM_VERITY_FEC is not set
>  CONFIG_DTC=y
>  CONFIG_EARLY_PRINTK=y
>  CONFIG_EDAC_ATOMIC_SCRUB=y
> @@ -302,6 +312,7 @@ CONFIG_MACH_MVEBU_V7=y
>  CONFIG_MAGIC_SYSRQ=y
>  CONFIG_MANGLE_BOOTARGS=y
>  CONFIG_MARVELL_PHY=y
> +CONFIG_MD=y
>  CONFIG_MDIO_BUS=y
>  CONFIG_MDIO_DEVICE=y
>  CONFIG_MDIO_I2C=y
> 


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